Ok, but just to be sure: a PR would be a Github issue? Thanks, Francesco
2017-05-19 13:00 GMT+02:00 Luca Boccassi <[email protected]>: > On Fri, 2017-05-19 at 12:37 +0200, Francesco wrote: >> However I realized that the API does not provide affinity control, >> which >> can be controlled with the sched_setaffinity() API: >> https://linux.die.net/man/2/sched_setaffinity >> >> Could we add a ZMQ_THREAD_AFFINITY option to zmq_ctx_set() ? >> >> Thanks, >> Francesco > > Sure, feel free to send a PR to libzmq. > > Should be pretty easy to implement simply copying what it's being done > for the other two options. > > Kind regards, > Luca Boccassi > >> 2017-05-19 12:25 GMT+02:00 Francesco <[email protected]>: >> >> > Wow, great, I didn't know about ZMQ_THREAD_SCHED_POLICY and >> > ZMQ_THREAD_PRIORITY, thanks!! >> > >> > Francesco >> > >> > >> > 2017-05-19 12:20 GMT+02:00 Luca Boccassi <[email protected]>: >> > > On Fri, 2017-05-19 at 11:58 +0200, Francesco wrote: >> > > > Hi, >> > > > I'm using ZeroMQ in an applications with several threads (up to >> > > > 40). >> > > > I noticed that in the "master" branch of ZeroMQ the background >> > > > threads >> > > > it creates are given a name. That's VERY useful, thanks! >> > > >> > > No problem. Had the same issue myself. One day I'd like to >> > > further >> > > improve it to have more specific names (I/O, reaper, shutdown), >> > > but it >> > > would require a lot more refactoring so for now all threads have >> > > the >> > > same name. >> > > >> > > > However my question is: my application sets the affinity and >> > > > the >> > > > priority of all threads it creates explicitly. Of course >> > > > it cannot >> > > > set the affinity/priority of ZMQ background threads. >> > > > Is it possible to add an API to get the pthread_t (on Linux) or >> > > > the >> > > > generic thread handle (platform-dependent) associated with the >> > > > ZMQ >> > > > background threads? >> > > > >> > > > In that way my application would be able to set affinity and >> > > > increase >> > > > priority also of ZMQ background threads... >> > > >> > > There is already an API to set those. Check the manpage for >> > > zmq_ctx_set, and the following options: ZMQ_THREAD_SCHED_POLICY >> > > ZMQ_THREAD_PRIORITY >> > > >> > > Note that as the manpage says you need to set them before >> > > creating any >> > > socket, immediately after creating the context. >> > > >> > > Kind regards, >> > > Luca Boccassi >> > > _______________________________________________ >> > > zeromq-dev mailing list >> > > [email protected] >> > > https://lists.zeromq.org/mailman/listinfo/zeromq-dev >> >> _______________________________________________ >> zeromq-dev mailing list >> [email protected] >> https://lists.zeromq.org/mailman/listinfo/zeromq-dev > > _______________________________________________ > zeromq-dev mailing list > [email protected] > https://lists.zeromq.org/mailman/listinfo/zeromq-dev _______________________________________________ zeromq-dev mailing list [email protected] https://lists.zeromq.org/mailman/listinfo/zeromq-dev
